Patents by Inventor Shigeyuki Sawaguchi

Shigeyuki Sawaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D335822
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: May 25, 1993
    Assignee: Sokkisha Co., Ltd.
    Inventors: Hidekazu Yamamuro, Yutaka Nakamura, Shigeyuki Sawaguchi
  • Patent number: D338206
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: August 10, 1993
    Assignee: Sokkisha Co., Ltd.
    Inventors: Shigeyuki Sawaguchi, Uytaka Nakamura
  • Patent number: D363240
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: October 17, 1995
    Assignee: Sokkia Co., Ltd.
    Inventors: Takumi Hirakawa, Hiroyuki Tsuchikane, Yuichi Ohashi, Hidekazu Yamamuro, Shigeyuki Sawaguchi
  • Patent number: D383075
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: September 2, 1997
    Assignee: Sokkia Co., Ltd.
    Inventors: Shigeyuki Sawaguchi, Takenori Ryouke, Takumi Hirakawa, Jiang Yin, Hiroyuki Nakabe, Shunji Yamagata, Yukiko Chiba